<template>
    <div class="pay">
      <van-nav-bar fixed title="订单结算台" left-arrow @click-left="$router.go(-1)" />

      <!-- 地址相关 -->
      <div class="address">

        <div class="left-icon">
          <van-icon name="logistics" />
        </div>

        <div class="info" v-if="selectedAddress.address_id">
          <div class="info-content">
            <span class="name">{{ selectedAddress.name }}</span>
            <span class="mobile">{{ selectedAddress.phone }}</span>
          </div>
          <div class="info-address">
            {{ longAddress }}
          </div>
        </div>

        <div class="info" v-else>
          请选择配送地址
        </div>

        <div class="right-icon">
          <van-icon name="arrow" />
        </div>
      </div>

      <!-- 订单明细 -->
      <div class="pay-list" v-if="order.goodsList">
        <div class="list">
          <div class="goods-item" v-for="item in order.goodsList" :key="item.goods_id">
              <div class="left">
                <img :src="item.goods_image" alt="" />
              </div>
              <div class="right">
                <p class="tit text-ellipsis-2">
                  {{ item.goods_name }}
                </p>
                <p class="info">
                  <span class="count">x{{ item.total_num }}</span>
                  <span class="price">¥{{ item.total_pay_price }}</span>
                </p>
              </div>
          </div>
        </div>

        <div class="flow-num-box">
          <span>共 {{ order.orderTotalNum }} 件商品，合计：</span>
          <span class="money">￥{{ order.orderTotalPrice }}</span>
        </div>

        <div class="pay-detail">
          <div class="pay-cell">
            <span>订单总金额：</span>
            <span class="red">￥{{ order.orderTotalPrice }}</span>
          </div>

          <div class="pay-cell">
            <span>优惠券：</span>
            <span>无优惠券可用</span>
          </div>

          <div class="pay-cell">
            <span>配送费用：</span>
            <span v-if="!selectedAddress">请先选择配送地址</span>
            <span v-else class="red">+￥0.00</span>
          </div>
        </div>

        <!-- 支付方式 -->
        <div class="pay-way">
          <span class="tit">支付方式</span>
          <div class="pay-cell">
            <span><van-icon name="balance-o" />余额支付（可用 ¥ {{ personal.balance }} 元）</span>
            <!-- <span>请先选择配送地址</span> -->
            <span class="red"><van-icon name="passed" /></span>
          </div>
        </div>

        <!-- 买家留言 -->
        <div class="buytips">
          <textarea v-model="remark" placeholder="选填：买家留言（50字内）" name="" id="" cols="30" rows="10"></textarea>
        </div>
      </div>

      <!-- 底部提交 -->
      <div class="footer-fixed">
        <div class="left">实付款：<span>￥{{ order.orderTotalPrice }}</span></div>
        <div class="tipsbtn" @click="submitOrder">提交订单</div>
      </div>
    </div>
  </template>

<script>
import { getAddressList } from '@/api/address'
import { checkOrder, submitOrder } from '@/api/order'
import loginConfirm from '@/mixins/loginConfirm'
export default {
  name: 'PayIndex',
  mixins: [loginConfirm],
  data () {
    return {
      addressList: [],
      order: {},
      personal: {},
      remark: '' // 备注留言
    }
  },
  computed: {
    selectedAddress () {
      // 这里地址管理非主线业务，直接获取第一个项作为选中的地址
      return this.addressList[0] || {}
    },
    longAddress () {
      const region = this.selectedAddress.region
      return region.province + region.city + region.region + this.selectedAddress.detail
    },
    mode () {
      return this.$route.query.mode
    },
    cartIds () {
      return this.$route.query.cartIds
    },
    goodsId () {
      return this.$route.query.goodsId
    },
    goodsSkuId () {
      return this.$route.query.goodsSkuId
    },
    goodsNum () {
      return this.$route.query.goodsNum
    }
  },
  created () {
    this.getAddressList()
    this.getOrderList()
  },
  methods: {
    async submitOrder () {
      if (this.mode === 'cart') {
        await submitOrder(this.mode, {
          cartIds: this.cartIds,
          remark: this.remark
        })
      }
      if (this.mode === 'buyNow') {
        await submitOrder(this.mode, {
          goodsId: this.goodsId,
          goodsSkuId: this.goodsSkuId,
          goodsNum: this.goodsNum,
          remark: this.remark
        })
      }
      this.$toast.success('支付成功')
      this.$router.replace('/myorder')
    },
    async getAddressList () {
      const { data: { list } } = await getAddressList()
      this.addressList = list
    },
    async getOrderList () {
      // 购物车结算
      if (this.mode === 'cart') {
        const { data: { order, personal } } = await checkOrder(this.mode, {
          cartIds: this.cartIds
        })
        this.order = order
        this.personal = personal
      }
      // 立刻购买结算
      if (this.mode === 'buyNow') {
        const { data: { order, personal } } = await checkOrder(this.mode, {
          goodsId: this.goodsId,
          goodsSkuId: this.goodsSkuId,
          goodsNum: this.goodsNum
        })
        this.order = order
        this.personal = personal
      }
    }
  }
}
</script>

  <style lang="less" scoped>
  .pay {
    padding-top: 46px;
    padding-bottom: 46px;
    ::v-deep {
      .van-nav-bar__arrow {
        color: #333;
      }
    }
  }
  .address {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 20px;
    font-size: 14px;
    color: #666;
    position: relative;
    background: url(@/assets/border-line.png) bottom repeat-x;
    background-size: 60px auto;
    .left-icon {
      margin-right: 20px;
    }
    .right-icon {
      position: absolute;
      right: 20px;
      top: 50%;
      transform: translateY(-7px);
    }
  }
  .goods-item {
    height: 100px;
    margin-bottom: 6px;
    padding: 10px;
    background-color: #fff;
    display: flex;
    .left {
      width: 100px;
      img {
        display: block;
        width: 80px;
        margin: 10px auto;
      }
    }
    .right {
      flex: 1;
      font-size: 14px;
      line-height: 1.3;
      padding: 10px;
      padding-right: 0px;
      display: flex;
      flex-direction: column;
      justify-content: space-evenly;
      color: #333;
      .info {
        margin-top: 5px;
        display: flex;
        justify-content: space-between;
        .price {
          color: #fa2209;
        }
      }
    }
  }

  .flow-num-box {
    display: flex;
    justify-content: flex-end;
    padding: 10px 10px;
    font-size: 14px;
    border-bottom: 1px solid #efefef;
    .money {
      color: #fa2209;
    }
  }

  .pay-cell {
    font-size: 14px;
    padding: 10px 12px;
    color: #333;
    display: flex;
    justify-content: space-between;
    .red {
      color: #fa2209;
    }
  }
  .pay-detail {
    border-bottom: 1px solid #efefef;
  }

  .pay-way {
    font-size: 14px;
    padding: 10px 12px;
    border-bottom: 1px solid #efefef;
    color: #333;
    .tit {
      line-height: 30px;
    }
    .pay-cell {
      padding: 10px 0;
    }
    .van-icon {
      font-size: 20px;
      margin-right: 5px;
    }
  }

  .buytips {
    display: block;
    textarea {
      display: block;
      width: 100%;
      border: none;
      font-size: 14px;
      padding: 12px;
      height: 100px;
    }
  }

  .footer-fixed {
    position: fixed;
    background-color: #fff;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 46px;
    line-height: 46px;
    border-top: 1px solid #efefef;
    font-size: 14px;
    display: flex;
    .left {
      flex: 1;
      padding-left: 12px;
      color: #666;
      span {
        color:#fa2209;
      }
    }
    .tipsbtn {
      width: 121px;
      background: linear-gradient(90deg,#f9211c,#ff6335);
      color: #fff;
      text-align: center;
      line-height: 46px;
      display: block;
      font-size: 14px;
    }
  }
  </style>
